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package Modulo3;

import Modelo.DAL.ConexionBD;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.Statement;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.json.JSONObject;

/**
 *
 * @author h-m
 */
public class listaTipoImplementoAction extends org.apache.struts.action.Action {
    
    /* forward name="success" path="" */
    private static final String SUCCESS = "success";
    
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        response.setContentType("text/json");
        JSONObject data = new JSONObject();
        data.put("Tipo", obtenerlistaTipo());

        PrintWriter pw = response.getWriter();
        pw.write(data.toString());
        pw.flush();
        pw.close();
        return mapping.findForward(SUCCESS);
    }

    public JSONObject obtenerlistaTipo() {
    ConexionBD conex = new ConexionBD();
    JSONObject tipos = new JSONObject();
    try {
      Statement st = conex.session.createStatement();
      ResultSet rs = st.executeQuery("SELECT nombre FROM tipo_implemento group by nombre ORDER BY nombre DESC");
      int i = 0;
      while (rs.next()) {
        JSONObject tipo = new JSONObject();
        tipo.put("nombre", rs.getString(1));
        tipos.put("" + i++, tipo);
      }
    } catch (Exception e) {
    }
    return tipos;
  }
}
